The present invention relates to a lamp unit which emits light in a constant direction when mounted on a curved side of a vehicle. The lamp unit according to the present invention comprises: a flexible base member; a conductive pattern layer mounted on the base member to form a conductive pattern for flow of current, and which keeps the base member at a bent shape when the base member is bent; and a light emitting lamp mounted on the conductive pattern layer to emit light when a current is applied. The shape of the lamp unit of the present invention can easily change in accordance with the shape of an object on which the lamp unit is mounted, and has a simple configuration that is less expensive to manufacture.
